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Ryzen infinity fabric for ZEN and ZEN+ (Ryzen 1X00 series and 2X00 series) make memory overclock more useful but complicated.
Sometimes, overclock fails even if both memory modules and memory controller works well but infinity fabric fails.
There are claims that AIDA64 Cache & Memory Benchmark is useful to see if that happens.
If L3 performance significantly lower before overclock, it is fail even if every other test(Testmem5, HCI Memtest, Linpack, etc...) succeed. Because Ryzen (exclude APU) 1X00 and 2X00 series have distributed L3 cache across 2 CCX which connected by infinity fabric, infinity fabric fails affect L3 cache performance.
So......how about allow us repeat L3 bench only (N times or time basic) ?
Or, maybe adding options to see L3 performance results in already exist cache stress test ?

Due to the enermous number of requests we've been receiving since the Ryzen market launch, concerning various confusions about AIDA64 and Ryzen, hereby we post a clarification. AIDA64 is currently not 100% compatible with the recently unveiled AMD Ryzen high-performance x86 processors. It's because AIDA64 still has a few issues that we need to fix. However, in order to fix those issues, we first need to run a series of very long benchmark tests on Ryzen, and that -- among with the bug fixes themselves -- will take several days to complete.
As for the bugs and limitations we so far discovered:
UPDATE: We have fixed #3, #4, #5 and #7 in the latest AIDA64 v5.90.4200 stable update, which is now 100% compatible with AMD Ryzen processors:
https://www.aida64.com/downloads/latesta64xe
1) A number of minor hardware detection issues were already fixed in the latest AIDA64 beta update.
2) The list of Turbo and XFR PStates are invisible on Ryzen, so it's not possible to properly enumerate or track them using a software. When a core of the AMD Ryzen processor goes into idle, the core will report the clockspeed of the P2 power state (e.g. 2200MHz on the Ryzen 7 1800X) and enter into the core-c1 (CC1) or core-c6 (CC6) sleep state. While the VID remains detectable in these states, the states are power gated and the true frequency is not known to the OS or monitoring utilities. As indicated from the “fine-grained Pstate” commentary released at Ryzen Tech Day, the AMD Ryzen’s processor true frequencies in these modes are significantly lower than reported via the “last known” P2 reading. AMD engineering tells us that V/f changes can be executed at 1ms intervals, indicating that the act of monitoring the states with the resolution necessary to accurately capture this behavior would also prevent cores from entering into the ultra low-power CC1 or CC6 states.
3) L1 cache bandwidth and latency scores, as well as memory bandwidth and latency scores are already accurately measured.
4) L2 cache and L3 cache scores indicate a lower performance than the peak performance of Ryzen. The scores AIDA64 measure are actually not incorrect, they just show the average performance of the L2 and L3 caches rather than the peak performance. It will of course be fixed soon.
5) Even though AIDA64 warns about a potential lack of optimization, the CPU and FPU benchmarks should be indicative of the full potential of Ryzen. We may be able to tweak e.g. the FPU Julia benchmark to squeeze even more performance out of Ryzen, but we don't expect the improvement to be substantial.
6) The CPU Hash benchmark provides an exceptionally great score on Ryzen due to the hardware accelerated SHA instructions capability of Ryzen. It's absolutely normal that hardware acceleration boosts CPU computing performance by such a margin.
7) AM4 motherboards are not yet supported by the latest AIDA64 stable build of v5.80.4000. Make sure to use the latest AIDA64 beta build to have accurate sensor measurements on ASRock, Asus, Biostar, Gigabyte, and MSI AM4 motherboards.
We will post further updates to this topic as we progress with our bug fixing efforts on our Ryzen test systems.

PC SPECS
Ryzen 1700x
Asus Prime B350 Plus
H100i
8GB Ramaxel 2133 RAM
GTX 750Ti
XFX XTR 550W PSU
120GB Kingston V300 SSD
3TB Hitachi HDD
Windows 10
This issue I just noticed today when I was going to start to overclock my new 1700x. Previously, I had a Ryzen 1700 installed and overclocked, using AIDA64 Extreme as a stability test, and had no problems. I thought that it would be just a simple as overclocking my 1700x, but currently the program is almost useless to me. Before going further, as of today, I am on the latest- windows, nvidia, asus bios, and aida64 update. This system is completely fine outside of using AIDA64 Extreme stability test and the built in CPUID tool. When I open the stability test or the built in CPUID tool, the system load jumps up to +20% from around under 3% load. The load on the CPU stays high (20% range) and fluctuates frequently. The system almost locks up within a second and continues to struggle by becoming extremely choppy and laggy; some much so that the computer is not usable while attempting to use any of these tools; practically cannot move my mouse and very unresponsive to CTRL+ALT+DEL. Starting the stress test does not seem the effect the PC any worse than what it was prior to starting the test. AIDA64 stability test also is not showing any of the CPU temperatures. I used the Ryzen Master software and no problems. I used CPUID CPU-Z, no problems. Ran multiple runs of CINEBENCH R15, scores were in line and no problems. I ran the Unigine Heaven benchmark, no problems. ran crystal disk, no problems. Temperature are all great as well. I also have uninstalled and reinstalled AIDA64 Extreme multiple times, while restarting the PC after deletion. Really am at a loss for what could be the issue and I no longer have the Ryzen 1700, so i cannot go back to see if i can replicate the issue that I recently ran into. I might just run a Windows repair or reinstall to see if there is a problem with the OS. Any help would be great!

Hey guys, there is something strange happened.
ryzen1700, asus b350 plus, bios version 0805(latest), windows 10 version 1703(latest)
Bios default settings, everything is fine.
Bios optimized settings, which is only overclocking CPU to 3.65ghz( memory clock is default 2133) . And I can't complete the Cache and Memory Benchmark, my computer black out during the copy phase every time. The system stability test works fine, the CPU temperature maintained about 61°.
How can I fix it?

Hi,
I'm using the latest stable version of AIDA64 to monitor the system temperatures on my PC (Ryzen 1800X on Gigabyte GA-AB350M Gaming 3). Today, I noticed that AIDA64 shows strange values for the CPU temp, which I think started with a BIOS update from F2 to F4.
CPU Diode seems to show the same temperature as AMD's Ryzen Master, but with a 20-degree offset (which is intended for the 1800X, but the latest update of Ryzen Master removed that offset). The second CPU temperature AIDA64 shows (simply labled 'CPU') however is now completely messed up: When the system is idle, it sometimes goes down to values below 20 degrees Celsius.
It seems to me that it is always some 15 degrees below the temperature shown by Ryzen Master (which hopefully is the real one) and thus approx. 35 degrees below the value shown under 'CPU diode'.
It would be great if 'CPU' would show the real temperature (again) and if the 20-degree offset was removed from 'CPU diode'.